AzSci

What charge do protons have and where are they located in the atom?

• negative charge, nucleus

• positive charge, outside nucleus

• positive charge , nucleus

• neutral charge, nucleus

Gold is an example of a(n) 

• pure element

• pure compound

• pure mixture

What is the definition of matter?

• Anything that has mass and takes up space

• A substance that is liquid, solid, or gas

• Anything that is pure

• Anything that you can see or hold

Tags

NGSS.MS-PS1-5

Something that takes up space and has mass.

• volume

• matter

• mass

• density

Tags

NGSS.MS-PS1-5

A state of matter that has a definite volume and shape.

• solid

• liquid

• gas

• matter

Tags

NGSS.5-PS1-3

Mixtures are separated through ___________changes.

• mixture

• compound

• physical

Structures that may have similar function but do NOT come from common ancestors

• analogous structures

• homologous structures

• pharyngeal pouches

• vestigial pelvis

Which is true about the Theory of Natural Selection?

• Not all organisms that are born survive to reproduce,

• Organisms compete with each other to survive.

• Variations exist among organisms.

• All of answers are true.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which is a change to DNA that forms new alleles?

• selective breeding

• evolution

• natural selection

• a mutation

Tags

NGSS.MS-LS3-1

as temperature increases, molecular movement ______

• stays the same

• decreases

• increases

• none

Tags

NGSS.MS-PS1-4